Atomic OSSEC
6.6#9 in intrusion detection and prevention softwareWebLinuxmacOSSelf-hosted
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| Fact | Atomic OSSEC | OPNsense |
|---|---|---|
| Authentication | The comparison lists two-factor authentication and hardware security key integration with YubiKey and Google Titan, plus SSO integrations including Google and Microsoft. | The product documents one-time-password authentication and supports LDAP, Active Directory, RADIUS, captive portal authentication, and 802.1X through plugins. |
| Headquarters | Chantilly, Virginia, United States | Middelharnis, the Netherlands |
You want what its maker publishes above — check its page for the details.
OPNsense suits people and organizations seeking a self-hosted firewall and routing platform with VPN, traffic monitoring, and intrusion-prevention capabilities. Its Business Edition is intended for companies, enterprises, and professionals seeking commercial features and a selective upgrade path.